Cold white fingers are generally caused by cold water immersion for too long, qi and blood deficiency and other conditions. 1. Liquid immersion: generally due to a long time will be immersed in cold liquid hand, or hand due to a long time by the gloves, clothing and other parcels lead to sweat impregnation, then there may be a temporary whitening, icy cold feeling. 3. qi and blood deficiency: generally due to qi and blood deficiency, there will be the body of the skin mucous membranes pale, due to qi and blood insufficiency resulting in poor peripheral blood supply, easy to cause the hand white, cold and other symptoms, but also can be accompanied by fatigue, shortness of breath, memory loss and other symptoms. Finger cold white serious need to go to the hospital in time to confirm the diagnosis, under the guidance of the doctor’s identification of standardized treatment, do not self-medication, so as not to delay the condition.